EP1087665B1 - Verfahren zur herstellung von transparent eingefärbten cellulosehüllen - Google Patents
Verfahren zur herstellung von transparent eingefärbten cellulosehüllen Download PDFInfo
- Publication number
- EP1087665B1 EP1087665B1 EP99920679A EP99920679A EP1087665B1 EP 1087665 B1 EP1087665 B1 EP 1087665B1 EP 99920679 A EP99920679 A EP 99920679A EP 99920679 A EP99920679 A EP 99920679A EP 1087665 B1 EP1087665 B1 EP 1087665B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- viscose
- dye
- cellulose
- dye liquor
- sausage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920002678 cellulose Polymers 0.000 title abstract description 28
- 239000001913 cellulose Substances 0.000 title abstract description 27
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 229920000297 Rayon Polymers 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 32
- 235000013580 sausages Nutrition 0.000 claims abstract description 28
- 230000008569 process Effects 0.000 claims abstract description 23
- 238000006722 reduction reaction Methods 0.000 claims abstract description 19
- 230000003647 oxidation Effects 0.000 claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 235000013305 food Nutrition 0.000 claims abstract description 14
- 239000004627 regenerated cellulose Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000000975 dye Substances 0.000 claims description 39
- 239000000049 pigment Substances 0.000 claims description 21
- UHOKSCJSTAHBSO-UHFFFAOYSA-N indanthrone blue Chemical compound C1=CC=C2C(=O)C3=CC=C4NC5=C6C(=O)C7=CC=CC=C7C(=O)C6=CC=C5NC4=C3C(=O)C2=C1 UHOKSCJSTAHBSO-UHFFFAOYSA-N 0.000 claims description 15
- 235000019239 indanthrene blue RS Nutrition 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 7
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 7
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 7
- 229920003086 cellulose ether Polymers 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- HUKPVYBUJRAUAG-UHFFFAOYSA-N 7-benzo[a]phenalenone Chemical compound C1=CC(C(=O)C=2C3=CC=CC=2)=C2C3=CC=CC2=C1 HUKPVYBUJRAUAG-UHFFFAOYSA-N 0.000 claims description 3
- PGEHNUUBUQTUJB-UHFFFAOYSA-N anthanthrone Chemical compound C1=CC=C2C(=O)C3=CC=C4C=CC=C5C(=O)C6=CC=C1C2=C6C3=C54 PGEHNUUBUQTUJB-UHFFFAOYSA-N 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- -1 flavanthrone Chemical compound 0.000 claims description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 3
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical class S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 0.000 claims description 3
- YKSGNOMLAIJTLT-UHFFFAOYSA-N violanthrone Chemical compound C12=C3C4=CC=C2C2=CC=CC=C2C(=O)C1=CC=C3C1=CC=C2C(=O)C3=CC=CC=C3C3=CC=C4C1=C32 YKSGNOMLAIJTLT-UHFFFAOYSA-N 0.000 claims description 3
- GDALETGZDYOOGB-UHFFFAOYSA-N Acridone Natural products C1=C(O)C=C2N(C)C3=CC=CC=C3C(=O)C2=C1O GDALETGZDYOOGB-UHFFFAOYSA-N 0.000 claims description 2
- 235000000177 Indigofera tinctoria Nutrition 0.000 claims description 2
- FZEYVTFCMJSGMP-UHFFFAOYSA-N acridone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3NC2=C1 FZEYVTFCMJSGMP-UHFFFAOYSA-N 0.000 claims description 2
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 2
- 150000004056 anthraquinones Chemical class 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 229940097275 indigo Drugs 0.000 claims description 2
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 claims description 2
- BSIHWSXXPBAGTC-UHFFFAOYSA-N isoviolanthrone Chemical compound C12=CC=CC=C2C(=O)C2=CC=C3C(C4=C56)=CC=C5C5=CC=CC=C5C(=O)C6=CC=C4C4=C3C2=C1C=C4 BSIHWSXXPBAGTC-UHFFFAOYSA-N 0.000 claims description 2
- FVDOBFPYBSDRKH-UHFFFAOYSA-N perylene-3,4,9,10-tetracarboxylic acid Chemical compound C=12C3=CC=C(C(O)=O)C2=C(C(O)=O)C=CC=1C1=CC=C(C(O)=O)C2=C1C3=CC=C2C(=O)O FVDOBFPYBSDRKH-UHFFFAOYSA-N 0.000 claims description 2
- LLBIOIRWAYBCKK-UHFFFAOYSA-N pyranthrene-8,16-dione Chemical compound C12=CC=CC=C2C(=O)C2=CC=C3C=C4C5=CC=CC=C5C(=O)C5=C4C4=C3C2=C1C=C4C=C5 LLBIOIRWAYBCKK-UHFFFAOYSA-N 0.000 claims description 2
- LNETULKMXZVUST-UHFFFAOYSA-N 1-naphthoic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=CC2=C1 LNETULKMXZVUST-UHFFFAOYSA-N 0.000 claims 1
- PTHCMJGKKRQCBF-UHFFFAOYSA-N Cellulose, microcrystalline Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC)C(CO)O1 PTHCMJGKKRQCBF-UHFFFAOYSA-N 0.000 claims 1
- YFPSDOXLHBDCOR-UHFFFAOYSA-N Pyrene-1,6-dione Chemical compound C1=CC(C(=O)C=C2)=C3C2=CC=C2C(=O)C=CC1=C32 YFPSDOXLHBDCOR-UHFFFAOYSA-N 0.000 claims 1
- 229920000609 methyl cellulose Polymers 0.000 claims 1
- 239000001923 methylcellulose Substances 0.000 claims 1
- 239000004745 nonwoven fabric Substances 0.000 abstract description 3
- 239000000984 vat dye Substances 0.000 description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 23
- 229920003043 Cellulose fiber Polymers 0.000 description 18
- 238000004040 coloring Methods 0.000 description 17
- 239000000243 solution Substances 0.000 description 13
- 230000009467 reduction Effects 0.000 description 11
- QTWZICCBKBYHDM-UHFFFAOYSA-N leucomethylene blue Chemical compound C1=C(N(C)C)C=C2SC3=CC(N(C)C)=CC=C3NC2=C1 QTWZICCBKBYHDM-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 239000003973 paint Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 210000000936 intestine Anatomy 0.000 description 5
- 239000004014 plasticizer Substances 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 241001237745 Salamis Species 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 235000015175 salami Nutrition 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- MZYHMUONCNKCHE-UHFFFAOYSA-N naphthalene-1,2,3,4-tetracarboxylic acid Chemical class C1=CC=CC2=C(C(O)=O)C(C(=O)O)=C(C(O)=O)C(C(O)=O)=C21 MZYHMUONCNKCHE-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052979 sodium sulfide Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- NDDLLTAIKYHPOD-ISLYRVAYSA-N (2e)-6-chloro-2-(6-chloro-4-methyl-3-oxo-1-benzothiophen-2-ylidene)-4-methyl-1-benzothiophen-3-one Chemical compound S/1C2=CC(Cl)=CC(C)=C2C(=O)C\1=C1/SC(C=C(Cl)C=C2C)=C2C1=O NDDLLTAIKYHPOD-ISLYRVAYSA-N 0.000 description 1
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- ZTWQZJLUUZHJGS-UHFFFAOYSA-N Vat Yellow 4 Chemical compound C12=CC=CC=C2C(=O)C2=CC=C3C4=CC=CC=C4C(=O)C4=C3C2=C1C=C4 ZTWQZJLUUZHJGS-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 235000015241 bacon Nutrition 0.000 description 1
- BJXAWHZQPRTRFF-UHFFFAOYSA-N benzo[l]pyrene-7,8-dione Chemical compound C1=CC=CC2=C(C(C(=O)C=C3C=C4)=O)C3=C3C4=CC=CC3=C21 BJXAWHZQPRTRFF-UHFFFAOYSA-N 0.000 description 1
- YMEPVPIIHONYLV-UHFFFAOYSA-N bisbenzimidazo[2,1-b:1',2'-j]benzo[lmn][3,8]phenanthroline-6,9-dione Chemical compound C1=CC=C2N(C(C3=CC=C4C(N5C6=CC=CC=C6N=C5C=5C=CC6=C3C4=5)=O)=O)C6=NC2=C1 YMEPVPIIHONYLV-UHFFFAOYSA-N 0.000 description 1
- 229960001506 brilliant green Drugs 0.000 description 1
- HXCILVUBKWANLN-UHFFFAOYSA-N brilliant green cation Chemical compound C1=CC(N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](CC)CC)C=C1 HXCILVUBKWANLN-UHFFFAOYSA-N 0.000 description 1
- 239000001049 brown dye Substances 0.000 description 1
- YOCIQNIEQYCORH-UHFFFAOYSA-M chembl2028361 Chemical compound [Na+].OC1=CC=C2C=C(S([O-])(=O)=O)C=CC2=C1N=NC1=CC=CC=C1 YOCIQNIEQYCORH-UHFFFAOYSA-M 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 150000008049 diazo compounds Chemical class 0.000 description 1
- DSARWKALPGYFTA-UHFFFAOYSA-L disodium 4-hydroxy-7-[(5-hydroxy-6-phenyldiazenyl-7-sulfonatonaphthalen-2-yl)carbamoylamino]-3-phenyldiazenylnaphthalene-2-sulfonate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)C1=CC2=CC(NC(=O)NC=3C=C4C=C(C(N=NC=5C=CC=CC=5)=C(O)C4=CC=3)S([O-])(=O)=O)=CC=C2C(O)=C1N=NC1=CC=CC=C1 DSARWKALPGYFTA-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- HTENFZMEHKCNMD-UHFFFAOYSA-N helio brilliant orange rk Chemical compound C1=CC=C2C(=O)C(C=C3Br)=C4C5=C2C1=C(Br)C=C5C(=O)C1=CC=CC3=C14 HTENFZMEHKCNMD-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- 235000013622 meat product Nutrition 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- AJDUTMFFZHIJEM-UHFFFAOYSA-N n-(9,10-dioxoanthracen-1-yl)-4-[4-[[4-[4-[(9,10-dioxoanthracen-1-yl)carbamoyl]phenyl]phenyl]diazenyl]phenyl]benzamide Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2NC(=O)C(C=C1)=CC=C1C(C=C1)=CC=C1N=NC(C=C1)=CC=C1C(C=C1)=CC=C1C(=O)NC1=CC=CC2=C1C(=O)C1=CC=CC=C1C2=O AJDUTMFFZHIJEM-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- VUSWQWZUVYOZAY-UHFFFAOYSA-N paradone grey m Chemical compound C12=CC=CC=C2C(=O)C2=CC=C3C(C4=C56)=CC=C6C(=O)C6=C7C(C=CC=8C(C9=CC=CC=C9C(=O)C9=8)=O)=C9NC7=CC=C6C5=CC=C4N4N=C1C2=C43 VUSWQWZUVYOZAY-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- DGBWPZSGHAXYGK-UHFFFAOYSA-N perinone Chemical compound C12=NC3=CC=CC=C3N2C(=O)C2=CC=C3C4=C2C1=CC=C4C(=O)N1C2=CC=CC=C2N=C13 DGBWPZSGHAXYGK-UHFFFAOYSA-N 0.000 description 1
- WSRHMJYUEZHUCM-UHFFFAOYSA-N perylene-1,2,3,4-tetracarboxylic acid Chemical class C=12C3=CC=CC2=CC=CC=1C1=C(C(O)=O)C(C(O)=O)=C(C(O)=O)C2=C1C3=CC=C2C(=O)O WSRHMJYUEZHUCM-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004048 vat dyeing Methods 0.000 description 1
- JXUKQCUPTNLTCS-UHFFFAOYSA-N vat green 1 Chemical compound C1=CC=C[C]2C(=O)C(C3=C45)=CC=C4C(C4=C67)=CC=C7C(=O)[C]7C=CC=CC7=C6C=C(OC)C4=C5C(OC)=CC3=C21 JXUKQCUPTNLTCS-UHFFFAOYSA-N 0.000 description 1
- BMZAOXGPXCPSTH-UHFFFAOYSA-N vatred14 Chemical compound C12=NC3=CC=CC=C3N2C(=O)C2=CC=C3C4=C2C1=CC=C4C(=O)N1C2=CC=CC=C2N=C13.C1=CC=C2N(C(C3=CC=C4C(N5C6=CC=CC=C6N=C5C=5C=CC6=C3C4=5)=O)=O)C6=NC2=C1 BMZAOXGPXCPSTH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
- D01F2/16—Addition of dyes to the spinning solution
-
- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22C—PROCESSING MEAT, POULTRY, OR FISH
- A22C13/00—Sausage casings
- A22C13/0013—Chemical composition of synthetic sausage casings
Definitions
- the invention relates to a method for producing tubular, colored food casings, in particular cellulose fiber casings, with high Transparency and uniformity of the coloring, furthermore according to the invention produced tubular food casings and their use.
- Tubular food casings are widely used in manufacturing a variety of meat products used. These food casings are in the general thin-walled hoses with different diameters, which in are known to be produced in many cases from regenerated cellulose. Cellulose casings can also be used with fibrous tissues embedded in them as cellulose fiber casings getting produced.
- the appearance of the sausages made using cellulose fiber casings is an important factor in addressing consumers, with a wide variety of consumers Products are smoked to obtain a characteristic brown color.
- Coloring cellulose fiber casings is also common, with color pigments and Dyes are used.
- a coarse grain Sausage meat structure e.g. Salami is a clear show through of the chunks of meat and bacon desired through the sausage casing to create a sales-promoting look to reach.
- the Transparency of the sausage casings due to the diffuse refraction of light on the relatively large ones Color particles greatly reduced.
- vat dyes are compounds with indigoider or anthrachinoid structure and insoluble in water. They require something special Dyeing process, which has long been known in its basic features. Doing so first using reducing agents, such as sodium bisulfite, Sodium dithionite, sodium hydroxymethanesulfinate or sodium borohydride, the Vat dye converted to its completely leachable leuco form. In this as The dye liquor called Küpe is dipped or the cellulose material to be dyed passed.
- reducing agents such as sodium bisulfite, Sodium dithionite, sodium hydroxymethanesulfinate or sodium borohydride
- the high cellulose affinity of the leuco dyes results in a high Dyeing speed on the surface of the cellulose material, what in use of dye mixtures with different cellulose affinities of the leuco dyes can lead to color irregularities. Diffusion follows of the leuco dyes inside the cellulosic material, causing the diffusion is accelerated by increasing the temperature. After rinsing the material the oxidation takes place, the leuco form giving the original, water-insoluble Dye re-forms, which adheres well to the cellulose material.
- suitable Oxidizing agents are, for example, atmospheric oxygen, hydrogen peroxide. Sodium perborate and potassium dichromate.
- U.S. Patent 3,293,340 describes a vat dyeing process for the production of transparently colored, regenerated cellulose casings.
- the undissolved vat dye is in the form of a pigment paste mixed with the viscose and made of a cellulose regenerated tube, which is regenerated in the usual way in acid precipitation baths and then washed becomes.
- the use of an additional desulfurization bath before or after the reduction level is recommended.
- the hose is then replaced by an alkaline one Reduction bath performed, the vat dye in the leach-soluble leuco form is transferred.
- the reduction bath additionally contains 100 to 150 g / l sodium chloride, to suppress the migration of the soluble leuco form from the tube.
- the leuco form is returned to the insoluble one Form by oxidation with atmospheric oxygen in a special channel in which water is sprayed onto the hose by removing the reducing agent To facilitate oxidation.
- the hose is washed again and preferably by another acid bath with a concentration of 1.5 to 7.5 g Sulfuric acid per liter led to neutralize the remains of sodium hydroxide and thereby wash out the hose more effectively in the following, new washing stage to be able to.
- the usual treatment with plasticizers takes place in one Glycerin bath and finally drying.
- the amounts of chemicals used be as low as possible to minimize environmental pollution.
- the object is achieved by the method mentioned in claim 1.
- the requirements 2 to 6 indicate preferred embodiments of the method.
- the task is further solved by the product according to claim 7 and its training according to claim 8 and its use according to claim 9.
- dyes which can be converted into alkali-soluble form, especially vat dyes, after chemical reduction in their lye-dissolved Leukoform can mix homogeneously with viscose and thus colored, tubular food casings made of cellulose regenerated coated nonwoven, especially cellulose fiber casings, the high transparency and uniformity have the coloring, can be produced in a simple manner by the for the production the cellulose regenerate layer used an alkaline liquor is admixed, at least one previously by chemical reduction in a contains alkali-soluble form converted dye, which by oxidation in its insoluble form can be converted with the mixture of viscose solution and a liquid fiber fleece is coated in the liquor, which coagulates viscose and is regenerated to cellulose hydrate gel and the one distributed in the viscose Dye is returned to its insoluble form by oxidation.
- Preferred dyes for the process according to the invention are dyes of Substance classes of the anthraquinone derivatives, in particular derivatives of anthrimidecarbazole, Acylaminoanthraquinone, acridone, benzanthrone, violanthrone, isoviolanthrone, Indanthrene and derivatives of highly condensed aromatic ring systems, preferably pyrenchinone, anthanthrone, flavanthrone, pyranthrone, perylenetetracarboxylic acid, Naphthalenetetracarboxylic acid and indigo derivatives and thioindigo derivatives used.
- Food casing is particularly suitable and as an artificial sausage casing can also provide a barrier layer on the outside or inside surface become.
- prepared food casings as an artificial sausage casing for raw sausage, scalded sausage or cooked sausage.
- the method according to the invention for the production of a transparent colored fiber-reinforced cellulose casing preferably runs as follows:
- vat dyes in the form of colored doughs or powders are available mixing with viscose in separate containers chemically reduced and in Sodium hydroxide solution dissolved.
- the vat dye or mixtures of different Vat dyes presented as color dough or powder and water or preferably an aqueous solution of one or more cellulose ethers, in particular Carboxymethyl cellulose or methylene cellulose added.
- the viscosity of which 2 wt .-% solutions is preferably 30 to 300 mPa ⁇ s. You add one freshly prepared aqueous solution of sodium dithionite or sodium sulfide and Sodium hydroxide.
- vat dyes and the others Add substances dissolved in water together.
- the components are mixed with an agitator, the speed being set so that no air bubbles are introduced into the paint bath.
- vat dyes are preferably from 12 to 16 hours at room temperature completely reduced to leuco form and dissolve in the lye.
- the Color liquor briefly stirred and in the storage container of conventional viscose color mixing systems filled. If tinting of the coloring is desired, you can in this process, in addition to mixtures of vat dyes, also alkali and acid resistant Color pigments in a proportion of 3 to 12, preferably 4 to 7 % By weight based on the total amount of paint used.
- the Addition of cellulose ethers in addition to that reduced by the increase in viscosity Speed of atmospheric oxygen uptake also the dispersion of the insoluble Color pigments in the color fleet.
- vat dyes sodium dithionite or sodium sulfide in an amount of 10 to 90, preferably 20 to 80 wt .-% used, based on the pure vat dyes in the Color fleet.
- the concentration of the leuco form in the dye liquor 1.25 to 4.4% by weight.
- concentration of sodium dithionite is preferably 0.7 to 2.0% by weight and that of sodium hydroxide 0.3 to 0.9% by weight in the color fleet.
- the method according to the invention now offers the possibility that Adjust the amount of chemicals exactly to the respective vat dyes, whereby whose irreversible over-reduction is avoided.
- the use is omitted large excesses of reducing agents when using reducing baths because of the oxidal ion caused by atmospheric oxygen. Because of the low Salt concentrations in the dye liquor will coagulate the viscose when mixed prevented with the liquor. Color agglomeration in the colored Sausage casings are thus avoided.
- the viscose color mixing plants are usual facilities for the continuous mixing of liquor with viscose. With adjustable feed pumps, a fixed relationship between viscose and dosed fleet of colors set. The addition of the dye liquor to the viscose is 2 to 26, preferably 3 to 9 liters, per 100 kg of viscose.
- the storage containers of the viscose color mixing systems can be closed airtight and the gas space above the Color liquor can be flushed with nitrogen in order to avoid To prevent oxidation of the paint liquor by atmospheric oxygen.
- the dyed viscose is used by piping or hose lines to the commonly used Viscous nozzles guided.
- Hose diameter cut, tubular shaped nonwoven web with the colored viscose is impregnated and coated on both sides or on one side.
- the nonwoven tube coated with colored viscose is acidic and saline precipitation bath system, with the hose in sections is completely immersed in the bath and also goes through vertical air gaps. Due to the sulfuric acid contained in the baths, the viscose is regenerated into cellulose transferred and at the same time the leuco form of the indanthrene colors contained therein by oxidation with atmospheric oxygen to the original, insoluble dye reforms, which adheres firmly to the cellulose material.
- the cellulose regenerate tube washed in the usual way, passed through a plasticizer bath and dried with support air.
- cover for the production of Cooked and scalded sausage may have a barrier layer on the outside or inside applied against atmospheric oxygen and water vapor by known methods become.
- Vat dyes are used by chemical reduction in an alkali-soluble Form are convertible, such as.
- B. the violin throne derivative indanthrene brilliant green (C.I. Part 1: Vat Green 1, C.I. Part 2: 59825), the naphthalene tetracarboxylic acid derivative Indanthrene Brillantorange GR (C.I. Part 1: Vat Orange 7, C.I. Part 2: 71105), the anthanthrone derivative indanthrene brilliant orange RF (C.I. part 1: Vat Orange 3. C.I. Part 2: 59300), the thioindigo derivative Indanthrene Brilliantrosa R (C.I.
- C.I. Part 1 Vat Yellow 33, C.I. Part 2: 65430
- benzopyrene quinone Indanthrene Yellow GOK C.I. Part 1: Vat Yellow 4, C.I. Part 2: 59100
- perylene tetracarboxylic acid derivatives as Paliogenmarron C.I. Part 1: Pigment Red 179, C.I. Part 2: 71130.
- C.I. means designation and / or constitution number according to the Color Index, published by the Society of Dyers and Colorists.
- Color doughs or powders of these pigments are known, for example, under the name Suprafix dough or Colloisol brought to the market.
- the components are gently stirred with a paddle stirrer, the speed of rotation is set so that no air bubbles are introduced into the paint liquor.
- this paint liquor becomes continuously mixed in a constant ratio with viscose, in one ratio from 3.3 l of dye liquor to 100 kg of viscose.
- a nonwoven web with one Cutting width corresponding to a nominal caliber of 58 mm of the cellulose fiber intestine to be produced is formed into a tube and through spinnerets like her are described in EP 0 267 489, on the inside and outside with the colored one Pre-saturated and coated viscose.
- the tube is then coagulated in an acidic spin liquid and closed Cellulose hydrate gel regenerates and at the same time the leuco form it contains Indanthrene colors through oxidation with atmospheric oxygen to the original, insoluble Dye reforms, which adheres firmly to the cellulose material.
- the through the Precipitation salts formed and the acid absorbed is from the cellulose regenerate hose removed in the subsequent wash.
- the cellulose fiber intestine is replaced by a conventional plasticizer bath with glycerin.
- This cellulose fiber casing is used to make salami type sausages.
- the sausage casing shows high transparency and uniform coloring on the finished sausage.
- Example 2 In an analogous manner as in Example 1, a cellulose fiber casing with a nominal caliber is used of 50 mm, the order of the dye liquor production changed and the concentration of the color and the reducing agent was reduced.
- this paint liquor becomes continuously mixed with viscose, in a ratio of 7.0 l of dye liquor on 100 kg of viscose.
- the colored viscose is used coated, regenerated and oxidized a tubular nonwoven web, and washed, passed through a plasticizer bath and dried.
- This cellulose fiber casing is used to make salami type sausages.
- the sausage casing shows high transparency and even coloring on the finished sausage, which corresponds in terms of intensity to the sausages from Example 1.
- a dye liquor In a closable container with a volume of 30 l, 30.0 kg of a dye liquor are produced as follows: 1.0 kg an indanthrene pigment inclination of Vat Brown 57 with a pigment content of approx. 30% (223 Vocafil brown dye, Ari Chemie) is weighed out. To do this 0.8364 kg a 5% by weight solution of carboxymethyl cellulose (CRT 30 GA, Wolff Walsrode) and 12.196 kg Given water. A freshly prepared solution of is added with gentle stirring using a paddle stirrer, avoiding air mixing 200 g Sodium hydroxide solution (50% by weight) and 240 g Sodium Dithionite in 2.0 kg Water.
- this paint liquor continuously mixed with viscose, in a ratio of 6.2 1 color liquor on 100 kg of viscose.
- the dyed viscose becomes a tubular Nonwoven web coated, regenerated and oxidized, as well as washed, by a Plasticizer bath performed and dried as described in Example 1.
- This Cellulose fiber intestines are made from salami type sausages. The sausage casing shows high transparency of the even, red-brown coloring on the finished sausage.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Processing Of Meat And Fish (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Artificial Filaments (AREA)
- Coloring (AREA)
- Paper (AREA)
Description
- 230 g Carboxymethylcellulose (CRT 30 GA. Fa. Wolff Walsrode)
- 500 g Natriumhydroxidlösung (50 Gew.-%)
- 600 g Natriumdithionit
- 3,105 kg
- einer Anteigung, bestehend aus:
- 3,0 kg
- Farbstoffanteigung Red 179, C.I.71130, Pigmentgehalt ca. 22 % (6300 Vocofil Rot, Fa. Ari Chemie) und
- 0,105 kg
- Pigmentanteigung Black 7, C.I. 77266, Pigmentgehalt ca. 35 % (wasserunlösliches Pigment)
1,0 kg | einer Indanthrenpigmentanteigung von Vat Brown 57, mit einem Pigmentgehalt von ca. 30 % (223 Vocafil Braunfarbstoff, Fa. Ari Chemie) werden eingewogen. Dazu werden |
0,8364 kg | einer 5 Gew.-% Lösung von Carboxymethylcellulose (CRT 30 GA, Fa. Wolff Walsrode) und |
12,196 kg | Wasser gegeben. Unter leichtem Rühren mit einem Flügelrührer, wobei Lufteinmischung vermieden wird, erfolgt die Zugabe einer frisch hergestellten Lösung von |
200 g | Natriumhydroxidlösung (50 Gew.-%) und |
240 g | Natriumdithionit |
in 2,0 kg | Wasser. |
Claims (9)
- Verfahren zur Herstellung von eingefärbten, schlauchförmigen Nahrungsmittelhüllen aus celluloseregeneratbeschichtetem Faservlies, dadurch gekennzeichnet, daß der zur Erzeugung der Celluloseregeneratschicht verwendeten Viskoselösung eine alkalische Farbflotte zugemischt ist, die mindestens einen vorher durch chemische Reduktion in eine alkalilösliche Form überführten Farbstoff enthält, welcher durch Oxidation in seine unlösliche Form umgewandelt werden kann, mit dem Gemisch aus Viskoselösung und Farblotte ein schlauchförmiges Faservlies beschichtet wird, die Viskose koaguliert und zu Cellulosehydrat-Gel regeneriert wird und der in der Viskose verteilte Farbstoff durch Oxidation in seine unlösliche Form zurücküberführt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß Farbstoffe der Substanzklassen der Anthrachinonderivate, vorzugsweise Derivate von Anthrimidcarbazol, Acylaminoanthrachinon, Acridon, Benzanthron, Violanthron, Isoviolanthron, Indanthren, sowie Derivate höher kondensierter aromatischer Ringsysteme, bevorzugt Pyrenchinon, Anthanthron, Flavanthron, Pyranthron, Perylentetracarbonsäure, Naphthalintetracarbonsäure sowie Indigoderivate und Thioindigoderivate eingesetzt werden.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zur chemischen Reduzierung der Farbpigmente Natriumdithionit oder Natriumsulfid in einer Menge von 10 bis 90, vorzugsweise 20 bis 80 Gew.-%, bezogen auf den reinen, reduzierbaren Farbstoff in der Farbflotte eingesetzt werden.
- Verfahren nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß der Zusatz der Farbflotte zur Viskose 2 bis 26, bevorzugt 3 bis 9 Liter auf 100 kg Viskose beträgt.
- Verfahren nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß die Farbflotte zusätzlich lauge- und säurebeständige. nicht reduzierbare Farbpigmente in einem Anteil von 3 bis 12, vorzugsweise 4 bis 7 Gew.-%, bezogen auf die Gesamtmenge aus Farbstoff und Farbpigment enthält.
- Verfahren nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß die Farbflotte Celluloseether, vorzugsweise Carboxymethylcellulose und/oder Methylcellulose, enthält.
- Schlauchförmige Nahrungsmittelhülle, insbesondere künstliche Wursthülle, aus celluloseregcneratbeschichtetem Faservlies, mit einer transparenten Einfärbung nach einem Verfahren der Ansprüche 1 bis 6.
- Schlauchförmige Nahrungsmittelhülle nach Anspruch 7, dadurch gekennzeichnet, daß die Außen- oder Innenoberfläche der Hülle eine für Wasserdampf und Sauerstoff undurchlässige Barriereschicht aufweist.
- Verwendung der schlauchförmigen Nahrungsmittelhülle nach einem der Ansprüche 7 oder 8 als künstliche Wursthülle für Rohwurst, Brühwurst oder Kochwurst.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19818891 | 1998-04-28 | ||
DE19818891A DE19818891A1 (de) | 1998-04-28 | 1998-04-28 | Verfahren zur Herstellung von transparent eingefärbten Cellulosehüllen |
PCT/EP1999/002553 WO1999055164A1 (de) | 1998-04-28 | 1999-04-16 | Verfahren zur herstellung von transparent eingefärbten cellulosehüllen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1087665A1 EP1087665A1 (de) | 2001-04-04 |
EP1087665B1 true EP1087665B1 (de) | 2003-03-26 |
Family
ID=7866005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99920679A Expired - Lifetime EP1087665B1 (de) | 1998-04-28 | 1999-04-16 | Verfahren zur herstellung von transparent eingefärbten cellulosehüllen |
Country Status (8)
Country | Link |
---|---|
US (1) | US6797015B1 (de) |
EP (1) | EP1087665B1 (de) |
JP (1) | JP2002512052A (de) |
AT (1) | ATE235156T1 (de) |
AU (1) | AU3817299A (de) |
DE (2) | DE19818891A1 (de) |
DK (1) | DK1087665T3 (de) |
WO (1) | WO1999055164A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI112911B (fi) | 1999-10-26 | 2004-02-13 | Eriksson Capital Ab | Parannettu viskoosipohjainen menetelmä pigmentoitujen selluloosasuolien valmistamiseksi |
JP3857921B2 (ja) * | 2001-02-21 | 2006-12-13 | 大日精化工業株式会社 | 樹脂組成物およびそれを用いた成形品 |
US9602884B1 (en) | 2006-05-19 | 2017-03-21 | Universal Innovation Counsel, Inc. | Creating customized programming content |
CN108588881A (zh) * | 2018-03-30 | 2018-09-28 | 江苏金太阳纺织科技股份有限公司 | 一种含有天然染料的再生纤维素纤维的制备方法 |
CN109082908A (zh) * | 2018-08-20 | 2018-12-25 | 杭州语晗科技有限公司 | 一种含有再生纳米纤维素的高精度印花色浆及再生纳米纤维素的制备方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2043069A (en) | 1933-12-06 | 1936-06-02 | Ig Farbenindustrie Ag | Preparation of dyed filaments and films |
US2521101A (en) * | 1949-01-04 | 1950-09-05 | Visking Corp | Method of preparing colored casings |
US3005723A (en) * | 1958-09-26 | 1961-10-24 | Du Pont | Process for producing colored pellicular gel structures of regenerated cellulose |
CH372277A (de) | 1960-02-02 | 1963-03-29 | Ciba Geigy | Verfahren zum Färben und Bedrucken von Fasermaterialien mit Küpenfarbstoffen |
US3247296A (en) * | 1962-06-25 | 1966-04-19 | Union Carbide Corp | Continuous process for producing colored regenerated cellulose film |
US3383443A (en) | 1965-01-04 | 1968-05-14 | Tee Pak Inc | Method of dyeing sausage casing |
US3293340A (en) | 1966-02-09 | 1966-12-20 | Union Carbide Corp | Method of producing colored structures |
DE2262611A1 (de) | 1972-12-21 | 1974-06-27 | Hoechst Ag | Verfahren zum transparenten faerben von zellglas-folien in der masse |
JPS57176158A (en) | 1981-04-24 | 1982-10-29 | Toho Cellophane Kk | Transfer type colored casing |
ZA851302B (en) | 1984-03-29 | 1985-10-30 | Tee Pak Inc | Process for color coating cellulosic casings |
-
1998
- 1998-04-28 DE DE19818891A patent/DE19818891A1/de not_active Withdrawn
-
1999
- 1999-04-16 EP EP99920679A patent/EP1087665B1/de not_active Expired - Lifetime
- 1999-04-16 US US09/673,944 patent/US6797015B1/en not_active Expired - Lifetime
- 1999-04-16 DE DE59904742T patent/DE59904742D1/de not_active Expired - Lifetime
- 1999-04-16 DK DK99920679T patent/DK1087665T3/da active
- 1999-04-16 WO PCT/EP1999/002553 patent/WO1999055164A1/de active IP Right Grant
- 1999-04-16 JP JP2000545380A patent/JP2002512052A/ja active Pending
- 1999-04-16 AU AU38172/99A patent/AU3817299A/en not_active Abandoned
- 1999-04-16 AT AT99920679T patent/ATE235156T1/de active
Also Published As
Publication number | Publication date |
---|---|
EP1087665A1 (de) | 2001-04-04 |
AU3817299A (en) | 1999-11-16 |
ATE235156T1 (de) | 2003-04-15 |
DE59904742D1 (de) | 2003-04-30 |
JP2002512052A (ja) | 2002-04-23 |
WO1999055164A1 (de) | 1999-11-04 |
DE19818891A1 (de) | 1999-11-04 |
DK1087665T3 (da) | 2003-07-21 |
US6797015B1 (en) | 2004-09-28 |
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